{"id":8345,"date":"2023-09-19T15:13:53","date_gmt":"2023-09-19T07:13:53","guid":{"rendered":"https:\/\/www.ray-tron.com\/?p=8345"},"modified":"2023-09-19T15:13:53","modified_gmt":"2023-09-19T07:13:53","slug":"alt1249","status":"publish","type":"post","link":"https:\/\/www.ray-tron.com\/es\/alt1249\/","title":{"rendered":"Prueba de resistividad de tiras de soldadura fotovoltaica Prueba de resistencia de tiras de cobre esta\u00f1ado"},"content":{"rendered":"

Cinta de soldadura fotovoltaica<\/a>\u00bfC\u00f3mo se manifiesta la resistencia del conjunto?c\u00e9lulas fotovoltaicas<\/a>El rendimiento de las cintas fotovoltaicas se ve muy afectado, por lo que, al seleccionarlas, los requisitos de resistividad son muy altos. \u00bfC\u00f3mo realizar la prueba de resistividad de la cinta fotovoltaica?Tira de cobre esta\u00f1ado<\/a>\u00bfQu\u00e9 pasa con las resistencias?<\/p>\n

Propiedades el\u00e9ctricas<\/p>\n

La medici\u00f3n se realiza a una temperatura de 20 \u00b0C \u00b1 5 \u00b0C. La parte central de la tira de soldadura esta\u00f1ada se toma como la longitud de referencia (l\u00ednea corta, marcada con un rotulador fino). Los puntos de contacto del comprobador de resistencia se sujetan a ambos extremos de la l\u00ednea fina. La resistencia volum\u00e9trica de la tira de soldadura esta\u00f1ada se mide de acuerdo con las disposiciones de la norma GB\/T 3048.2. La misma tira de soldadura esta\u00f1ada se mide cinco veces y se calcula la media aritm\u00e9tica.<\/p>\n

calcular<\/p>\n

La resistividad volum\u00e9trica del sustrato de cobre a 20 \u00b0C se calcula seg\u00fan la siguiente f\u00f3rmula:<\/p>\n

\"\"

D\u00f3nde:<\/p>\n

RCu\u2014\u2014Resistencia de volumen del sustrato de cobre, en ohmios (\u03a9);<\/p>\n

\u03c1Cu\u2014\u2014Resistividad del sustrato de cobre a 20\u00b0C (los valores se muestran en la tabla a continuaci\u00f3n), en ohmios mil\u00edmetros cuadrados por metro (\u03a9\u2022mm2\/m);<\/p>\n

SCu\u2014\u2014\u00e1rea de la secci\u00f3n transversal del sustrato de cobre (espesor \u00d7 ancho del sustrato de cobre, calculado seg\u00fan el tama\u00f1o nominal), en mil\u00edmetros cuadrados (mm2);<\/p>\n

L1 - longitud de referencia de la tira de soldadura recubierta de esta\u00f1o, en metros (m).<\/p>\n

Resistividad del sustrato de cobre<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n
Marca<\/td>\nC\u00f3digo<\/td>\nestado<\/td>\nResistividad\/(\u03a9\u00b7mm2\/m) no m\u00e1s de<\/td>\nConductividad el\u00e9ctrica\/%IACS no inferior a<\/td>\n<\/tr>\n
TU00<\/td>\nC10100<\/td>\n060<\/td>\n0.017070<\/td>\n101<\/td>\n<\/tr>\n
H01<\/td>\n0.017241<\/td>\n100<\/td>\n<\/tr>\n
H02<\/td>\n0.017415<\/td>\n99<\/td>\n<\/tr>\n
H04<\/td>\n0.017593<\/td>\n98<\/td>\n<\/tr>\n
TU0<\/p>\n

TU1<\/td>\n

T10130<\/p>\n

T10150<\/td>\n

060<\/td>\n0.017241<\/td>\n100<\/td>\n<\/tr>\n
H01<\/td>\n0.017415<\/td>\n99<\/td>\n<\/tr>\n
H02<\/td>\n0.017593<\/td>\n98<\/td>\n<\/tr>\n
H04<\/td>\n0.017774<\/td>\n97<\/td>\n<\/tr>\n
Seg\u00fan GB\/T 14594, O60 representa recocido blando; H01 representa 1\/4 duro; H02 representa 1\/2 duro; H04 representa duro.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\"\"

D\u00f3nde:<\/p>\n

R20\u2014\u2014La resistencia de volumen entre los dos extremos de la muestra a 20 \u00b0C, en ohmios (\u03a9);<\/p>\n

t\u2014\u2014Temperatura de prueba al probar la resistencia de volumen de la tira de soldadura recubierta de esta\u00f1o, en grados Celsius (\u00b0C);<\/p>\n

R(t)\u2014\u2014La resistencia de volumen entre los dos extremos de la muestra a la temperatura de prueba t\u00b0C, en ohmios (\u03a9);<\/p>\n

\u03b120\u2014\u2014Coeficiente de temperatura de resistencia de la muestra a 20\u00b0C, 3,93\u00d710-3\/\u00b0C.<\/p>","protected":false},"excerpt":{"rendered":"

La resistencia de la cinta fotovoltaica tiene una gran influencia en el rendimiento de toda la celda fotovoltaica, por lo que al seleccionar la cinta fotovoltaica, el requisito de resistividad de la cinta fotovoltaica es muy importante.<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[19],"tags":[227],"class_list":["post-8345","post","type-post","status-publish","format-standard","hentry","category-blog","tag-guangfuhandai"],"_links":{"self":[{"href":"https:\/\/www.ray-tron.com\/es\/wp-json\/wp\/v2\/posts\/8345","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ray-tron.com\/es\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ray-tron.com\/es\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ray-tron.com\/es\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ray-tron.com\/es\/wp-json\/wp\/v2\/comments?post=8345"}],"version-history":[{"count":0,"href":"https:\/\/www.ray-tron.com\/es\/wp-json\/wp\/v2\/posts\/8345\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.ray-tron.com\/es\/wp-json\/wp\/v2\/media?parent=8345"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ray-tron.com\/es\/wp-json\/wp\/v2\/categories?post=8345"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ray-tron.com\/es\/wp-json\/wp\/v2\/tags?post=8345"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}